<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1053048
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 1053048</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" href="/tests/SimpleTest/test.css">
  <script type="application/javascript">

  /** Test for Bug 1053048 **/
  SimpleTest.waitForExplicitFinish();
  SimpleTest.waitForFocus(runTests);

  const nsISelectionPrivate = SpecialPowers.Ci.nsISelectionPrivate;
  const nsISelectionListener = SpecialPowers.Ci.nsISelectionListener;
  const nsIDOMNSEditableElement = SpecialPowers.Ci.nsIDOMNSEditableElement;

  function runTests()
  {
    var textarea = SpecialPowers.wrap(document.getElementById("textarea"));
    textarea.focus();

    var editor = textarea.QueryInterface(nsIDOMNSEditableElement).editor;
    var selectionPrivate = editor.selection.QueryInterface(nsISelectionPrivate);

    var selectionListener = {
      count: 0,
      notifySelectionChanged: function (aDocument, aSelection, aReason)
      {
        ok(true, "selectionStart: " + textarea.selectionStart);
        ok(true, "selectionEnd: " + textarea.selectionEnd);
        this.count++;
      }
    };

    // Move caret to the end of the textarea
    synthesizeMouse(textarea, 290, 10, {});
    is(textarea.selectionStart, 3, "selectionStart should be 3 (after \"foo\")");
    is(textarea.selectionEnd, 3, "selectionEnd should be 3 (after \"foo\")");

    selectionPrivate.addSelectionListener(selectionListener);

    sendKey("RETURN");
    is(selectionListener.count, 1, "nsISelectionListener.notifySelectionChanged() should be called");
    is(textarea.selectionStart, 4, "selectionStart should be 4");
    is(textarea.selectionEnd, 4, "selectionEnd should be 4");
    is(textarea.value, "foo\n", "The line break should be appended");

    selectionPrivate.removeSelectionListener(selectionListener);
    SimpleTest.finish();
  }
  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1053048">Mozilla Bug 1053048</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>

<textarea id="textarea"
          style="height: 100px; width: 300px; -moz-appearance: none"
          spellcheck="false"
          onkeydown="this.style.display='block'; this.style.height='200px';">foo</textarea>

<pre id="test">
</pre>
</body>
</html>
